PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/22-06:58:10
G01     252.9          36.2                8.3 +/-    2.25      12.9 +/-    2.25  0.050 / 0.040
G03     316.2          41.5                4.2 +/-    0.91       6.0 +/-    0.91  0.040 / 0.030
G11     238.1          12.9                5.6 +/-    3.19      14.5 +/-    3.19  0.100 / 0.100
G14     56.9           43.5                5.2 +/-    1.22       7.1 +/-    1.22  0.090 / 0.100
G18     221.9          28.7                7.3 +/-    2.13      13.2 +/-    2.13  0.110 / 0.440
G22     306.0          65.3                4.3 +/-    0.63       4.7 +/-    0.63  0.080 / 0.380
G25     40.7           10.7                2.1 +/-    5.06       5.9 +/-    5.06  0.050 / 0.080
G26     134.9          37.6                6.8 +/-    0.75      10.3 +/-    0.75  0.050 / 0.080
G31     41.8           57.5                3.0 +/-    0.52       3.5 +/-    0.52  0.100 / 0.400
G32     76.9           22.2                4.2 +/-    1.21       8.7 +/-    1.21  0.080 / 0.310